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<img src="smiley.gif" height="150" width="150">
// Size measured in px
xxxxxxxxxx
<img src="..." class="object-fit-sm-contain border rounded" alt="...">
<img src="..." class="object-fit-md-contain border rounded" alt="...">
<img src="..." class="object-fit-lg-contain border rounded" alt="...">
<img src="..." class="object-fit-xl-contain border rounded" alt="...">
<img src="..." class="object-fit-xxl-contain border rounded" alt="...">